A friend of mine emailed Remington directly asking for the date of manufacture, he gave the model and serial number and received a reply with the information he was looking for.
Yeah but there is no model 1909, that's why I can't answer this.
Early 1909.
Manufactured 1909
Made 1909 to 1936
1909
First year 1909 (RW is not part of the serial - it stands for Remington works)
Need a serial to date it. They were made from 1909 to 1936.
Manufactured 1909
1909 - first year
It is a Remington Model 12 .22 cal. pump
Early 1909
All I can tell you is that it was introduced in 1909 and discontinued in 1936.
Serial? 1909 to 1938ish From 1921 on they are date code stamped on the barrel. Check the Manufactured Date page on the Remington Society of America.